25986084804 has 81 divisors (see below), whose sum is σ = 66848788461. Its totient is φ = 8511465600.

The previous prime is 25986084799. The next prime is 25986084823. The reversal of 25986084804 is 40848068952.

The square root of 25986084804 is 161202.

It is a perfect power (a square), and thus also a powerful number.

25986084804 is a `hidden beast` number, since 2 + 598 + 6 + 0 + 8 + 48 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25727518404 + 258566400 = 160398^2 + 16080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64803004 + ... + 64803404.

Almost surely, 2^25986084804 is an apocalyptic number.

25986084804 is the 161202-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25986084804

25986084804 is an abundant number, since it is smaller than the sum of its proper divisors (40862703657).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25986084804 is an equidigital number, since it uses as much as digits as its factorization.

25986084804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 25986084804 in words is "twenty-five billion, nine hundred eighty-six million, eighty-four thousand, eight hundred four".